The Sig Sauer P320 Spectre Comp Blackout is a striker-fired 9mm pistol with a 4.60-inch threaded barrel with integrated compensator, optic-cut slide, and XRAY3 Day/Night sights. Capacity is 10+1 rounds. Weight is 41.80 oz (2.6 lbs). Two magazines are included. 
 

Key Specifications 

• Caliber: 9mm Luger 
• Barrel Length: 4.60 inches 
• Capacity: 10+1 rounds 
• Weight: 41.80 ounces (2.6 lbs) 
• Overall Length: 8.50 inches 
• Action Type: Striker Fire 
• Frame Material: Stainless Steel with Black Finish 
• Slide Material & Finish: Stainless Steel with Black Cerakote; Optic Cut / Serrated 
• Grip Type: Black Laser Engraved XSeries 
• Sight Configuration: XRAY3 Day/Night Sights 
• Includes Magazines: Yes (2 magazines) 
   

Features 

The integrated compensator vents gas upward to reduce muzzle flip, which shows up in tighter splits during rapid strings. The XSeries flat skeleton trigger has a straight face that many shooters prefer for consistent placement. The optic-cut slide accepts a red dot without an adapter plate. XRAY3 sights use a tritium-phosphor front dot that works in daylight and low light, with a blacked-out rear notch to keep focus forward. The laser engraved XSeries grip module provides texture without aggressive checkering. The Custom Works Spectre slide has a distinctive pattern that differs from standard P320 slides.

The P320 Spectre Comp Blackout receives strong reviews from shooters focused on accuracy and recoil management. The compensator's effect on muzzle flip is the most cited functional positive — shooters running fast drills appreciate how much flatter the gun tracks. The optic-ready slide is a genuine draw for those who want a red dot setup. The XRAY3 sights work well as backup irons and in low light.

Ergonomics are consistently praised, particularly the grip texture and balance. The blacked-out aesthetic gets positive mentions from buyers who care about appearance alongside function.

The gun is on the heavier side at 41.80 oz, which matters for carry use more than range use. Price is higher than standard P320 variants, and opinions split between buyers who find the Custom Works features worth it and those who feel the premium is steep. Trigger feel compared to single-action alternatives generates occasional debate. Customer service from Sig Sauer gets mixed marks in some discussions.